Home / 2,739.54-3,779.96-1,677.53

Finding the Fourth Proportional to 2,739.54, 3,779.96 and 1,677.53

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Solution

The fourth proportional to 2,739.54, 3,779.96 and 1,677.53 is: 2,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.54 : 3,779.96 = 1,677.53 : x
  2. Step 2: Convert to fraction form
    2,739.54/3,779.96 = 1,677.53/x
  3. Step 3: Cross multiply
    2,739.54x = 3,779.96 × 1,677.53
  4. Step 4: Simplify right side
    2,739.54x = 6,341,000.49
  5. Step 5: Solve for x
    x = 6,341,000.49/2,739.54
  6. Step 6: Final answer
    x = 2,314.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.